US7187943B1 - Apparatus for improving call transition efficiency in a wireless communication system - Google Patents
Apparatus for improving call transition efficiency in a wireless communication system Download PDFInfo
- Publication number
- US7187943B1 US7187943B1 US10/269,523 US26952302A US7187943B1 US 7187943 B1 US7187943 B1 US 7187943B1 US 26952302 A US26952302 A US 26952302A US 7187943 B1 US7187943 B1 US 7187943B1
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- US
- United States
- Prior art keywords
- base station
- mobile apparatus
- wireless cellular
- overhead information
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
total time=320 ms+600 ms+80 ms=1 second (Eq. 1)
However, as indicated above, in the worst-case situation, this delay can be up to 1.68 seconds. Such a long delay, particularly with respect to packet data calls, usually will be unacceptable to an end user.
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/269,523 US7187943B1 (en) | 2002-10-11 | 2002-10-11 | Apparatus for improving call transition efficiency in a wireless communication system |
Applications Claiming Priority (1)
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US10/269,523 US7187943B1 (en) | 2002-10-11 | 2002-10-11 | Apparatus for improving call transition efficiency in a wireless communication system |
Publications (1)
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US7187943B1 true US7187943B1 (en) | 2007-03-06 |
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US10/269,523 Expired - Fee Related US7187943B1 (en) | 2002-10-11 | 2002-10-11 | Apparatus for improving call transition efficiency in a wireless communication system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070042775A1 (en) * | 2005-08-18 | 2007-02-22 | Umatt Bhupesh M | System search to detect for a wireless communication network in a crowded frequency band |
US20140056215A1 (en) * | 2012-08-23 | 2014-02-27 | Qualcomm Incorporated | Rapid network acquisition and overhead message storage for machine-to-machine devices |
WO2016114971A1 (en) * | 2015-01-14 | 2016-07-21 | Qualcomm Incorporated | Improving throughput and multi-sim call performance through efficient reuse of cached overhead information |
Citations (15)
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US5982758A (en) * | 1997-02-13 | 1999-11-09 | Hamdy; Walid M. | Method and apparatus for merging neighbor lists in a CDMA mobile telephone system |
US6044265A (en) * | 1995-06-05 | 2000-03-28 | Bellsouth Corporation | Methods and apparatus for cellular set programming |
US6085087A (en) * | 1995-08-29 | 2000-07-04 | Kabushiki Kaisha Kenwood | Roaming control method for digital mobile telephone |
US20020025801A1 (en) * | 2000-08-31 | 2002-02-28 | Shin-Hyun Yang | Method for supporting multi-call when interworking between utran and synchronous core network in IMT-2000 system |
US6483824B1 (en) * | 1999-07-29 | 2002-11-19 | Qualcomm, Inc. | Method and apparatus for acquiring service in a “border area” |
US20030235180A1 (en) * | 2002-04-26 | 2003-12-25 | Valentin Oprescu-Surcobe | Method and apparatus for efficient channel assignment |
US20040005883A1 (en) * | 2002-05-08 | 2004-01-08 | Anthony Lee | Fast traffic channel reconnection system and method |
US6850506B1 (en) * | 1999-10-07 | 2005-02-01 | Qualcomm Incorporated | Forward-link scheduling in a wireless communication system |
-
2002
- 2002-10-11 US US10/269,523 patent/US7187943B1/en not_active Expired - Fee Related
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4750198A (en) * | 1986-12-12 | 1988-06-07 | Astronet Corporation/Plessey U.K. | Cellular radiotelephone system providing diverse separately-accessible groups of channels |
US5428666A (en) * | 1991-04-02 | 1995-06-27 | Novatel Communications, Ltd. | Automatic number assignment module selection for mobile telephone |
US5621784A (en) * | 1991-09-20 | 1997-04-15 | Qualcomm Incorporated | Comprehensive mobile communications device registration method |
US5504803A (en) * | 1991-11-25 | 1996-04-02 | Matsushita Electric Industrial Co., Ltd. | Method for automatic mode selection for a dual-mode telephone handset for use in a cellular mobile telephone system and in a wireless telephone system |
US5517673A (en) * | 1994-09-20 | 1996-05-14 | Ericsson Inc. | Systems and methods for cellular radiotelephone system access without system identification comparison |
US5809419A (en) * | 1994-12-14 | 1998-09-15 | Motorola, Inc. | Method for reducing channel scanning time |
US6044265A (en) * | 1995-06-05 | 2000-03-28 | Bellsouth Corporation | Methods and apparatus for cellular set programming |
US6085087A (en) * | 1995-08-29 | 2000-07-04 | Kabushiki Kaisha Kenwood | Roaming control method for digital mobile telephone |
US5819174A (en) * | 1996-09-24 | 1998-10-06 | Nokia Mobile Phones Limited | Mobile telephone having an improved probability of receiving an incoming call |
US5982758A (en) * | 1997-02-13 | 1999-11-09 | Hamdy; Walid M. | Method and apparatus for merging neighbor lists in a CDMA mobile telephone system |
US6483824B1 (en) * | 1999-07-29 | 2002-11-19 | Qualcomm, Inc. | Method and apparatus for acquiring service in a “border area” |
US6850506B1 (en) * | 1999-10-07 | 2005-02-01 | Qualcomm Incorporated | Forward-link scheduling in a wireless communication system |
US20020025801A1 (en) * | 2000-08-31 | 2002-02-28 | Shin-Hyun Yang | Method for supporting multi-call when interworking between utran and synchronous core network in IMT-2000 system |
US20030235180A1 (en) * | 2002-04-26 | 2003-12-25 | Valentin Oprescu-Surcobe | Method and apparatus for efficient channel assignment |
US20040005883A1 (en) * | 2002-05-08 | 2004-01-08 | Anthony Lee | Fast traffic channel reconnection system and method |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070042775A1 (en) * | 2005-08-18 | 2007-02-22 | Umatt Bhupesh M | System search to detect for a wireless communication network in a crowded frequency band |
US8045981B2 (en) * | 2005-08-18 | 2011-10-25 | Qualcomm Incorporated | System search to detect for a wireless communication network in a crowded frequency band |
US20140056215A1 (en) * | 2012-08-23 | 2014-02-27 | Qualcomm Incorporated | Rapid network acquisition and overhead message storage for machine-to-machine devices |
US9439225B2 (en) * | 2012-08-23 | 2016-09-06 | Qualcomm Incorporated | Rapid network acquisition and overhead message storage for machine-to-machine devices |
WO2016114971A1 (en) * | 2015-01-14 | 2016-07-21 | Qualcomm Incorporated | Improving throughput and multi-sim call performance through efficient reuse of cached overhead information |
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